/*
 * Copyright 2018 Bence Varga
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.czentral.event;


import java.util.Date;

/**
 * Interface for general-purpose events.
 */
public interface Event {
    
    /**
     * Gets the originating object of this event.
     *
     * @return Originating object.
     */
    public Object getSource();
    
    /**
     * Gets the type of the event. Implementing classes should define the possible
     * types. Event handlers should check for the class of the event object
     * (e.g. with instanceOf operator), then check for the type.
     *
     * @return Event type (specified by implementing classes).
     */
    public int getType();
    
    /**
     * Gets the time when this event occurred.
     *
     * @return Date object representing the time of the event.
     */
    public Date getDate();
    
}
